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Hydraena, Taxa Only, Exact Match: 100 Treatments

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Hydraena (Hydraenopsis) paulmoritz   sp. nov.  Jäch, Manfred A., Díaz, Juan A. & Skale, Andre, 2013, The Hydraenidae (Coleoptera) Of The Republic Of Singapore, Raffles Bulletin of Zoology 61 (1), pp. 53-71 : 66-67 66-67
Hydraena pacificica   sp. nov.  Perkins, Philip D., 2011, New species (130) of the hyperdiverse aquatic beetle genus Hydraena Kugelann from Papua New Guinea, and a preliminary analysis of areas of endemism (Coleoptera: Hydraenidae) 2944, Zootaxa 2944 (1), pp. 1-417 : 110 110
Hydraena dilutipes     Perkins, Philip D., 2017, Hydraenidae of Madagascar (Insecta: Coleoptera), Zootaxa 4342 (1), pp. 1-264 : 109-112 109-112
Hydraena cunninghamensis   sp. nov.  PERKINS, PHILIP D., 2007, A revision of the Australian species of the water beetle genus Hydraena Kugelann (Coleoptera: Hydraenidae), Zootaxa 1489 (1), pp. 1-207 : 67 67
Hydraena jubilata   sp. nov.  Perkins, Philip D., 2011, New species (130) of the hyperdiverse aquatic beetle genus Hydraena Kugelann from Papua New Guinea, and a preliminary analysis of areas of endemism (Coleoptera: Hydraenidae) 2944, Zootaxa 2944 (1), pp. 1-417 : 36-37 36-37
Hydraena (Monomadraena) acicula     Perkins, Philip D., 2017, Hydraenidae of Madagascar (Insecta: Coleoptera), Zootaxa 4342 (1), pp. 1-264 : 48 48
Hydraena (Hydraena) reflexa     Bilton, David T., Ribera, Ignacio & Villastrigo, Adrián, 2023, The colonisation of the Tyrrhenian Islands by Hydraena water beetles, with Hydraena reflexa Rey, 1884 reinstated as a valid species endemic to Corsica and Sardinia (Coleoptera, Hydraenidae), Organisms Diversity & Evolution (New York, N. Y.) 23 (4), pp. 881-900 : 885 885
Hydraena hosseinieorum     Trizzino, Marco, Carnevali, Lucilla, Felici, Stefano De & Audisio, Paolo, 2013, <strong> A revision of <em> Hydraena </ em> species of the “ <em> Haenydra </ em> ” lineage (Coleoptera, Hydraenidae) </ strong>, Zootaxa 3607 (1), pp. 1-173 : 34-40 34-40
Hydraena propria   sp. nov.  Perkins, Philip D., 2011, New records and description of fifty-four new species of aquatic beetles in the genus Hydraena Kugelann from South America (Coleoptera: Hydraenidae), Zootaxa 3074, pp. 1-198 : 67-68 67-68
Hydraena luminicollis   sp. nov.  PERKINS, PHILIP D., 2007, A revision of the Australian species of the water beetle genus Hydraena Kugelann (Coleoptera: Hydraenidae), Zootaxa 1489 (1), pp. 1-207 : 38-39 38-39
Hydraena fasciola     Perkins, Philip D., 2011, New records and description of fifty-four new species of aquatic beetles in the genus Hydraena Kugelann from South America (Coleoptera: Hydraenidae), Zootaxa 3074, pp. 1-198 : 38-39 38-39
Hydraena pamphylia     Ertorun, Nesil, Jäch, Manfred A., Kasapoġlu, Ahmet & Darilmaz, Mustafa C., 2011, Checklist of the Hydraenidae (Coleoptera) of Turkey, with notes on distribution, Zootaxa 3055 (1), pp. 22-42 : 32 32
Hydraena (Hydraena) cordata     Benamar, Loubna, Bennas, Nard, Hassoun, Mustapha & Millán, Andrés, 2022, Checklist of Moroccan aquatic beetles (Coleoptera: Hydraenidae Mulsant, 1844) New records and updates, Zootaxa 5129 (4), pp. 451-504 : 456 456
Hydraena altapapua   sp. nov.  Perkins, Philip D., 2011, New species (130) of the hyperdiverse aquatic beetle genus Hydraena Kugelann from Papua New Guinea, and a preliminary analysis of areas of endemism (Coleoptera: Hydraenidae) 2944, Zootaxa 2944 (1), pp. 1-417 : 57 57
Hydraena (Hydraenopsis) longicollis     Perkins, Philip D., 2023, New Neotropical and Nearctic species of water beetles in the genera Hydraena Kugelann and Ochthebius Leach, a key to North American genera and subgenera of the family, new distribution records, and a synopsis of ecology, behavior and morphology related to aquatic life (Coleoptera: Hydraenidae), Zootaxa 5367 (1), pp. 1-86 : 67 67
Hydraena ambiflagellata     PERKINS, PHILIP D., 2007, A revision of the Australian species of the water beetle genus Hydraena Kugelann (Coleoptera: Hydraenidae), Zootaxa 1489 (1), pp. 1-207 : 89-90 89-90
Hydraena (Hydraenopsis) jojoorculloi   sp. nov.  Freitag, Hendrik & Jäch, Manfred A., 2007, Revision of the species of Hydraena Kugelann (Coleoptera: Hydraenidae) from Palawan and Busuanga, with descriptions of eleven new species, and redescription of Hydraena (Hydraenopsis) scabra d’Orchymont, 1925, Zootaxa 1431, pp. 1-44 : 12-15 12-15
Hydraena atroscintilla   sp. nov.  Perkins, Philip D., 2011, New records and description of fifty-four new species of aquatic beetles in the genus Hydraena Kugelann from South America (Coleoptera: Hydraenidae), Zootaxa 3074, pp. 1-198 : 35-36 35-36
Hydraena johncoltranei   sp. nov.  Perkins, Philip D., 2011, New species (130) of the hyperdiverse aquatic beetle genus Hydraena Kugelann from Papua New Guinea, and a preliminary analysis of areas of endemism (Coleoptera: Hydraenidae) 2944, Zootaxa 2944 (1), pp. 1-417 : 141-142 141-142
Hydraena cameroconcava   sp. nov.  Perkins, Philip D., 2022, Thirty-three new species of water beetles in the genus Hydraena Kugelann from Cameroon (Coleoptera: Hydraenidae), Zootaxa 5203 (1), pp. 1-66 : 9 9
Hydraena monteithi   sp. nov.  PERKINS, PHILIP D., 2007, A revision of the Australian species of the water beetle genus Hydraena Kugelann (Coleoptera: Hydraenidae), Zootaxa 1489 (1), pp. 1-207 : 41-42 41-42
Hydraena duohamata   sp. nov.  Perkins, Philip D., 2011, New records and description of fifty-four new species of aquatic beetles in the genus Hydraena Kugelann from South America (Coleoptera: Hydraenidae), Zootaxa 3074, pp. 1-198 : 16-17 16-17
Hydraena subintegra     Freitag, Hendrik, de Vries, Rick, Paterno, Marta, Maestri, Simone, Delledonne, Massimo, Thompson, Cameron G, Lamed, Helena, Lambert, Rebekah, Fox, Michael F, Gonzalez, Mariela C, Delocado, Emmanuel D, Sabordo, Marc R, Pangantihon, Clister V & Njunjic, Iva, 2021, Hydraena (s. str.) dinarica, new species (Coleoptera: Hydraenidae) along with further records of Hydraena spp. from Durmitor National Park, Montenegro and comments on the DNA barcoding problem with the genus, Biodiversity Data Journal 9, pp. 59892-59892 : 59892 59892
Hydraena morio     Freitag, Hendrik, de Vries, Rick, Paterno, Marta, Maestri, Simone, Delledonne, Massimo, Thompson, Cameron G, Lamed, Helena, Lambert, Rebekah, Fox, Michael F, Gonzalez, Mariela C, Delocado, Emmanuel D, Sabordo, Marc R, Pangantihon, Clister V & Njunjic, Iva, 2021, Hydraena (s. str.) dinarica, new species (Coleoptera: Hydraenidae) along with further records of Hydraena spp. from Durmitor National Park, Montenegro and comments on the DNA barcoding problem with the genus, Biodiversity Data Journal 9, pp. 59892-59892 : 59892 59892
Hydraena fascinata   sp. nov.  Perkins, Philip D., 2011, New species (130) of the hyperdiverse aquatic beetle genus Hydraena Kugelann from Papua New Guinea, and a preliminary analysis of areas of endemism (Coleoptera: Hydraenidae) 2944, Zootaxa 2944 (1), pp. 1-417 : 74-75 74-75
Hydraena (Hydraena) bihamata     Ghosh, Joyjit, Saini, Jagdish, Gupta, Devanshu, Ghosh, Sujit Kumar & Chandra, Kailash, 2022, A Catalogue of Indian Hydraenidae (Insecta: Coleoptera), Zootaxa 5087 (4), pp. 558-570 : 561 561
Hydraena paxillipes   sp. nov.  Perkins, Philip D., 2011, New species (130) of the hyperdiverse aquatic beetle genus Hydraena Kugelann from Papua New Guinea, and a preliminary analysis of areas of endemism (Coleoptera: Hydraenidae) 2944, Zootaxa 2944 (1), pp. 1-417 : 61-62 61-62
Hydraena multiarcuata   sp. nov.  Perkins, Philip D., 2017, Hydraenidae of Madagascar (Insecta: Coleoptera), Zootaxa 4342 (1), pp. 1-264 : 62-64 62-64
Hydraena latisoror   sp. nov.  PERKINS, PHILIP D., 2007, A revision of the Australian species of the water beetle genus Hydraena Kugelann (Coleoptera: Hydraenidae), Zootaxa 1489 (1), pp. 1-207 : 22-23 22-23
Hydraena caucasica     Ertorun, Nesil, Jäch, Manfred A., Kasapoġlu, Ahmet & Darilmaz, Mustafa C., 2011, Checklist of the Hydraenidae (Coleoptera) of Turkey, with notes on distribution, Zootaxa 3055 (1), pp. 22-42 : 30 30
Coleoptera   new species  Zwick, Peter, 1977, Australian Hydraena (Coleoptera: Hydraenidae), Australian Journal of Zoology 25, No. 1, pp. 147-184 : 169 169
Hydraena parvipalpis   sp. nov.  Perkins, Philip D., 2017, Hydraenidae of Madagascar (Insecta: Coleoptera), Zootaxa 4342 (1), pp. 1-264 : 17-19 17-19
Hydraena variopaca   sp. nov.  Perkins, Philip D., 2011, New species (130) of the hyperdiverse aquatic beetle genus Hydraena Kugelann from Papua New Guinea, and a preliminary analysis of areas of endemism (Coleoptera: Hydraenidae) 2944, Zootaxa 2944 (1), pp. 1-417 : 94 94
Hydraena habitiva   sp. nov.  PERKINS, PHILIP D., 2014, A revision of the water beetle genus Hydraena Kugelann for southern Africa (Coleoptera: Hydraenidae), Zootaxa 3758 (1), pp. 1-92 : 68-69 68-69
Hydraena hyalina     Perkins, Philip D., 2011, New records and description of fifty-four new species of aquatic beetles in the genus Hydraena Kugelann from South America (Coleoptera: Hydraenidae), Zootaxa 3074, pp. 1-198 : 51-52 51-52
Hydraena anaphora     Perkins, Philip D., 2011, New records and description of fifty-four new species of aquatic beetles in the genus Hydraena Kugelann from South America (Coleoptera: Hydraenidae), Zootaxa 3074, pp. 1-198 : 52 52
Hydraena rudallensis     PERKINS, PHILIP D., 2007, A revision of the Australian species of the water beetle genus Hydraena Kugelann (Coleoptera: Hydraenidae), Zootaxa 1489 (1), pp. 1-207 : 69-70 69-70
Hydraena bisinuloba   sp. nov.  Perkins, Philip D., 2017, Hydraenidae of Madagascar (Insecta: Coleoptera), Zootaxa 4342 (1), pp. 1-264 : 31-32 31-32
Hydraena (Hydraenopsis) pseudopalawanensis   sp. nov.  Freitag, Hendrik & Jäch, Manfred A., 2007, Revision of the species of Hydraena Kugelann (Coleoptera: Hydraenidae) from Palawan and Busuanga, with descriptions of eleven new species, and redescription of Hydraena (Hydraenopsis) scabra d’Orchymont, 1925, Zootaxa 1431, pp. 1-44 : 29-31 29-31
Hydraena (Holcohydraena) punctata     Perkins, Philip D., 2023, New Neotropical and Nearctic species of water beetles in the genera Hydraena Kugelann and Ochthebius Leach, a key to North American genera and subgenera of the family, new distribution records, and a synopsis of ecology, behavior and morphology related to aquatic life (Coleoptera: Hydraenidae), Zootaxa 5367 (1), pp. 1-86 : 64 64
Hydraena (Hydraenopsis) arizonica     Perkins, Philip D., 2023, New Neotropical and Nearctic species of water beetles in the genera Hydraena Kugelann and Ochthebius Leach, a key to North American genera and subgenera of the family, new distribution records, and a synopsis of ecology, behavior and morphology related to aquatic life (Coleoptera: Hydraenidae), Zootaxa 5367 (1), pp. 1-86 : 64 64
Hydraena camerocameola   sp. nov.  Perkins, Philip D., 2022, Thirty-three new species of water beetles in the genus Hydraena Kugelann from Cameroon (Coleoptera: Hydraenidae), Zootaxa 5203 (1), pp. 1-66 : 24-25 24-25
Hydraena undetermined     Rogers, D. Christopher & Cruz-Rivera, Edwin, 2021, A preliminary survey of the inland aquatic macroinvertebrate biodiversity of St. Thomas, US Virgin Islands, Journal of Natural History 55 (13 - 14), pp. 799-850 : 829 829
Hydraena tibiopaca   sp. nov.  Perkins, Philip D., 2011, New species (130) of the hyperdiverse aquatic beetle genus Hydraena Kugelann from Papua New Guinea, and a preliminary analysis of areas of endemism (Coleoptera: Hydraenidae) 2944, Zootaxa 2944 (1), pp. 1-417 : 101-102 101-102
Hydraena pantanalensis   sp. nov.  Perkins, Philip D., 2011, New records and description of fifty-four new species of aquatic beetles in the genus Hydraena Kugelann from South America (Coleoptera: Hydraenidae), Zootaxa 3074, pp. 1-198 : 46-47 46-47
Hydraena millenaria   sp. nov.  Perkins, Philip D., 2022, Thirty-three new species of water beetles in the genus Hydraena Kugelann from Cameroon (Coleoptera: Hydraenidae), Zootaxa 5203 (1), pp. 1-66 : 21-22 21-22
Hydraena nitidimenta   sp. nov.  Perkins, Philip D., 2011, New species (130) of the hyperdiverse aquatic beetle genus Hydraena Kugelann from Papua New Guinea, and a preliminary analysis of areas of endemism (Coleoptera: Hydraenidae) 2944, Zootaxa 2944 (1), pp. 1-417 : 37-38 37-38
Hydraena forticollis   sp. nov.  PERKINS, PHILIP D., 2007, A revision of the Australian species of the water beetle genus Hydraena Kugelann (Coleoptera: Hydraenidae), Zootaxa 1489 (1), pp. 1-207 : 113-114 113-114
Hydraena orchisa   sp. nov.  Perkins, Philip D., 2017, Hydraenidae of Madagascar (Insecta: Coleoptera), Zootaxa 4342 (1), pp. 1-264 : 138-139 138-139
Hydraena pentarubra   sp. nov.  Perkins, Philip D., 2017, Hydraenidae of Madagascar (Insecta: Coleoptera), Zootaxa 4342 (1), pp. 1-264 : 95-97 95-97
Hydraena robusta     PERKINS, PHILIP D., 2007, A revision of the Australian species of the water beetle genus Hydraena Kugelann (Coleoptera: Hydraenidae), Zootaxa 1489 (1), pp. 1-207 : 64-65 64-65
Hydraena bubulla   sp. nov.  Perkins, Philip D., 2011, New species (130) of the hyperdiverse aquatic beetle genus Hydraena Kugelann from Papua New Guinea, and a preliminary analysis of areas of endemism (Coleoptera: Hydraenidae) 2944, Zootaxa 2944 (1), pp. 1-417 : 70 70
Hydraena huonica     Perkins, Philip D., 2011, New species (130) of the hyperdiverse aquatic beetle genus Hydraena Kugelann from Papua New Guinea, and a preliminary analysis of areas of endemism (Coleoptera: Hydraenidae) 2944, Zootaxa 2944 (1), pp. 1-417 : 48-49 48-49
Hydraena browni     Perkins, Philip D., 2011, New records and description of fifty-four new species of aquatic beetles in the genus Hydraena Kugelann from South America (Coleoptera: Hydraenidae), Zootaxa 3074, pp. 1-198 : 44 44
Hydraena (Hydraenopsis) spiralis   sp. nov.  Perkins, Philip D., 2023, New Neotropical and Nearctic species of water beetles in the genera Hydraena Kugelann and Ochthebius Leach, a key to North American genera and subgenera of the family, new distribution records, and a synopsis of ecology, behavior and morphology related to aquatic life (Coleoptera: Hydraenidae), Zootaxa 5367 (1), pp. 1-86 : 27-29 27-29
Hydraena (Hydraenopsis) kodadai   sp. nov.  Freitag, Hendrik & Jäch, Manfred A., 2007, Revision of the species of Hydraena Kugelann (Coleoptera: Hydraenidae) from Palawan and Busuanga, with descriptions of eleven new species, and redescription of Hydraena (Hydraenopsis) scabra d’Orchymont, 1925, Zootaxa 1431, pp. 1-44 : 24-26 24-26
Hydraena     Perkins, Philip D., 2017, Hydraenidae of Madagascar (Insecta: Coleoptera), Zootaxa 4342 (1), pp. 1-264 : 17 17
Hydraena ambiosina   sp. nov.  PERKINS, PHILIP D., 2007, A revision of the Australian species of the water beetle genus Hydraena Kugelann (Coleoptera: Hydraenidae), Zootaxa 1489 (1), pp. 1-207 : 81-82 81-82
Hydraena humanica   sp. nov.  PERKINS, PHILIP D., 2014, A revision of the water beetle genus Hydraena Kugelann for southern Africa (Coleoptera: Hydraenidae), Zootaxa 3758 (1), pp. 1-92 : 59-61 59-61
Hydraena quechua     Perkins, Philip D., 2011, New records and description of fifty-four new species of aquatic beetles in the genus Hydraena Kugelann from South America (Coleoptera: Hydraenidae), Zootaxa 3074, pp. 1-198 : 45 45
Hydraena receptiva   sp. nov.  Perkins, Philip D., 2011, New species (130) of the hyperdiverse aquatic beetle genus Hydraena Kugelann from Papua New Guinea, and a preliminary analysis of areas of endemism (Coleoptera: Hydraenidae) 2944, Zootaxa 2944 (1), pp. 1-417 : 133-134 133-134
Hydraena contorta   sp. nov.  Perkins, Philip D., 2017, Hydraenidae of Madagascar (Insecta: Coleoptera), Zootaxa 4342 (1), pp. 1-264 : 134-136 134-136
Hydraena (Holcohydraena) pacifica     Perkins, Philip D., 2023, New Neotropical and Nearctic species of water beetles in the genera Hydraena Kugelann and Ochthebius Leach, a key to North American genera and subgenera of the family, new distribution records, and a synopsis of ecology, behavior and morphology related to aquatic life (Coleoptera: Hydraenidae), Zootaxa 5367 (1), pp. 1-86 : 63 63
Hydraena pilobova   sp. nov.  Perkins, Philip D., 2017, Hydraenidae of Madagascar (Insecta: Coleoptera), Zootaxa 4342 (1), pp. 1-264 : 117-120 117-120
Hydraena australica     PERKINS, PHILIP D., 2007, A revision of the Australian species of the water beetle genus Hydraena Kugelann (Coleoptera: Hydraenidae), Zootaxa 1489 (1), pp. 1-207 : 73 73
Hydraena steineri   sp. nov.  Perkins, Philip D., 2011, New records and description of fifty-four new species of aquatic beetles in the genus Hydraena Kugelann from South America (Coleoptera: Hydraenidae), Zootaxa 3074, pp. 1-198 : 57 57
Hydraena (Hydraenopsis) concatenata   sp. nov.  Perkins, Philip D., 2023, New Neotropical and Nearctic species of water beetles in the genera Hydraena Kugelann and Ochthebius Leach, a key to North American genera and subgenera of the family, new distribution records, and a synopsis of ecology, behavior and morphology related to aquatic life (Coleoptera: Hydraenidae), Zootaxa 5367 (1), pp. 1-86 : 17 17
Hydraena marojejy   sp. nov.  Perkins, Philip D., 2017, Hydraenidae of Madagascar (Insecta: Coleoptera), Zootaxa 4342 (1), pp. 1-264 : 100-101 100-101
Hydraena perkinsi     DELER-HERNÁNDEZ, ALBERT & DELGADO, JUAN A., 2012, The Hydraenidae of Cuba (Insecta: Coleoptera) I: Contribution to the fauna of eastern Cuba, Zootaxa 3478 (1), pp. 213-238 : 220-222 220-222
Hydraena ambra   sp. nov.  Perkins, Philip D., 2011, New species (130) of the hyperdiverse aquatic beetle genus Hydraena Kugelann from Papua New Guinea, and a preliminary analysis of areas of endemism (Coleoptera: Hydraenidae) 2944, Zootaxa 2944 (1), pp. 1-417 : 19-21 19-21
Hydraena diadema   sp. nov.  Perkins, Philip D., 2011, New species (130) of the hyperdiverse aquatic beetle genus Hydraena Kugelann from Papua New Guinea, and a preliminary analysis of areas of endemism (Coleoptera: Hydraenidae) 2944, Zootaxa 2944 (1), pp. 1-417 : 62 62
Hydraena reticulobesa   sp. nov.  Perkins, Philip D., 2011, New species (130) of the hyperdiverse aquatic beetle genus Hydraena Kugelann from Papua New Guinea, and a preliminary analysis of areas of endemism (Coleoptera: Hydraenidae) 2944, Zootaxa 2944 (1), pp. 1-417 : 86 86
Hydraena (Hydraena) dinarica   sp. n.  Freitag, Hendrik, de Vries, Rick, Paterno, Marta, Maestri, Simone, Delledonne, Massimo, Thompson, Cameron G, Lamed, Helena, Lambert, Rebekah, Fox, Michael F, Gonzalez, Mariela C, Delocado, Emmanuel D, Sabordo, Marc R, Pangantihon, Clister V & Njunjic, Iva, 2021, Hydraena (s. str.) dinarica, new species (Coleoptera: Hydraenidae) along with further records of Hydraena spp. from Durmitor National Park, Montenegro and comments on the DNA barcoding problem with the genus, Biodiversity Data Journal 9, pp. 59892-59892 : 59892 59892
Hydraena altiphila   sp. nov.  Perkins, Philip D., 2011, New records and description of fifty-four new species of aquatic beetles in the genus Hydraena Kugelann from South America (Coleoptera: Hydraenidae), Zootaxa 3074, pp. 1-198 : 60 60
Hydraena (Hydraenopsis) hyalina     Benetti, Cesar J., Valladares, Luis F., Delgado, Juan A. & Hamada, Neusa, 2021, Morphological remarks on Adelphydraena amazonica Perkins & Ribera, 2020 and new records of two other Hydraenidae from Brazil (Coleoptera), Zootaxa 4966 (1), pp. 61-68 : 67-68 67-68
Hydraena extorris     PERKINS, PHILIP D., 2007, A revision of the Australian species of the water beetle genus Hydraena Kugelann (Coleoptera: Hydraenidae), Zootaxa 1489 (1), pp. 1-207 : 94-95 94-95
Hydraena jubata   sp. nov.  Perkins, Philip D., 2017, Hydraenidae of Madagascar (Insecta: Coleoptera), Zootaxa 4342 (1), pp. 1-264 : 91-93 91-93
Hydraena gynaephila     Trizzino, Marco, Carnevali, Lucilla, Felici, Stefano De & Audisio, Paolo, 2013, <strong> A revision of <em> Hydraena </ em> species of the “ <em> Haenydra </ em> ” lineage (Coleoptera, Hydraenidae) </ strong>, Zootaxa 3607 (1), pp. 1-173 : 29-33 29-33
Hydraena genuvela   sp. nov.  Perkins, Philip D., 2017, Hydraenidae of Madagascar (Insecta: Coleoptera), Zootaxa 4342 (1), pp. 1-264 : 21-24 21-24
Hydraena (Hydraenopsis) matthiasi   sp. nov.  Deler-Hernández, Albert, Fikáček, Martin & Delgado, Juan A., 2017, The Hydraenidae of Cuba (Insecta: Coleoptera) III. Description of two new hygropetric species of Hydraena Kugelann, Zootaxa 4250 (5), pp. 434-446 : 439-443 439-443
Hydraena cameropetila   sp. nov.  Perkins, Philip D., 2022, Thirty-three new species of water beetles in the genus Hydraena Kugelann from Cameroon (Coleoptera: Hydraenidae), Zootaxa 5203 (1), pp. 1-66 : 17 17
Hydraena speciosa     Ertorun, Nesil, Jäch, Manfred A., Kasapoġlu, Ahmet & Darilmaz, Mustafa C., 2011, Checklist of the Hydraenidae (Coleoptera) of Turkey, with notes on distribution, Zootaxa 3055 (1), pp. 22-42 : 33-34 33-34
Hydraena     Stanković, Vlatka Mičetić & Jäch, Manfred A., 2012, Description of a new species of the “ Haenydra ” lineage (Coleoptera: Hydraenidae) from the Republic of Macedonia, Zootaxa 3503, pp. 82-88 : 83 83
Hydraena luridipennis     PERKINS, PHILIP D., 2007, A revision of the Australian species of the water beetle genus Hydraena Kugelann (Coleoptera: Hydraenidae), Zootaxa 1489 (1), pp. 1-207 : 54-56 54-56
Hydraena bicarina   sp. nov.  PERKINS, PHILIP D., 2014, A revision of the water beetle genus Hydraena Kugelann for southern Africa (Coleoptera: Hydraenidae), Zootaxa 3758 (1), pp. 1-92 : 77-81 77-81
Hydraena pulchella     PROKIN, Alexander A., LITOVKIN, Stanislav V. & JÄCH, Manfred A., 2015, New records of Hydraenidae and Elmidae (Coleoptera) from Russia and adjacent countries, Fragmenta Faunistica 58 (2), pp. 99-110 : 101 101
Hydraena bisinuata   sp. nov.  Perkins, Philip D., 2017, Hydraenidae of Madagascar (Insecta: Coleoptera), Zootaxa 4342 (1), pp. 1-264 : 69-72 69-72
Hydraena (Hydraena) leprieuri     Lamine, Smail, Lounaci, Abdelkader & Bennas, Nard, 2019, Biodiversity and chorology of aquatic beetles (Coleoptera: Elmidae and Hydraenidae) in Kabylia (central-north Algeria). New records and updates, Zootaxa 4700 (1), pp. 102-116 : 106 106
Hydraena camerosetosa   sp. nov.  Perkins, Philip D., 2022, Thirty-three new species of water beetles in the genus Hydraena Kugelann from Cameroon (Coleoptera: Hydraenidae), Zootaxa 5203 (1), pp. 1-66 : 29-30 29-30
Hydraena okapa   sp. nov.  Perkins, Philip D., 2011, New species (130) of the hyperdiverse aquatic beetle genus Hydraena Kugelann from Papua New Guinea, and a preliminary analysis of areas of endemism (Coleoptera: Hydraenidae) 2944, Zootaxa 2944 (1), pp. 1-417 : 73-74 73-74
Hydraena amplipunctata   sp. nov.  Perkins, Philip D., 2017, Hydraenidae of Madagascar (Insecta: Coleoptera), Zootaxa 4342 (1), pp. 1-264 : 73-76 73-76
Hydraena mauriciogarciai   sp. nov.  Perkins, Philip D., 2011, New records and description of fifty-four new species of aquatic beetles in the genus Hydraena Kugelann from South America (Coleoptera: Hydraenidae), Zootaxa 3074, pp. 1-198 : 40 40
Hydraena inplacopaca   sp. nov.  Perkins, Philip D., 2011, New species (130) of the hyperdiverse aquatic beetle genus Hydraena Kugelann from Papua New Guinea, and a preliminary analysis of areas of endemism (Coleoptera: Hydraenidae) 2944, Zootaxa 2944 (1), pp. 1-417 : 99 99
Hydraena marginicollis     Robert H. Turnbow, Jr. & Thomas, Michael C., 2008, An annotated checklist of the Coleoptera (Insecta) of the Bahamas, Insecta Mundi 2008 (34), pp. 1-64 : 40 40
Hydraena capacis   sp. nov.  PERKINS, PHILIP D., 2007, A revision of the Australian species of the water beetle genus Hydraena Kugelann (Coleoptera: Hydraenidae), Zootaxa 1489 (1), pp. 1-207 : 94 94
Hydraena (Hydraena) audisioi     Lamine, Smail, Lounaci, Abdelkader & Bennas, Nard, 2019, Biodiversity and chorology of aquatic beetles (Coleoptera: Elmidae and Hydraenidae) in Kabylia (central-north Algeria). New records and updates, Zootaxa 4700 (1), pp. 102-116 : 105 105
Hydraena morio     Dovgal, Igor & Pešić, Vladimir, 2012, Suctorian ciliates (Ciliophora, Suctorea) as epibionts of stream-dwelling aquatic beetles (Coleoptera) and water mites (Acari: Hydrachnidia) in the southwestern Palaearctic region, Zootaxa 3166, pp. 34-40 : 37 37
Hydraena ambroides   sp. nov.  Perkins, Philip D., 2011, New species (130) of the hyperdiverse aquatic beetle genus Hydraena Kugelann from Papua New Guinea, and a preliminary analysis of areas of endemism (Coleoptera: Hydraenidae) 2944, Zootaxa 2944 (1), pp. 1-417 : 22-23 22-23
Hydraena (Hydraenopsis) scintillutea     Benetti, Cesar J. & Hamada, Neusa, 2022, Annotated checklist of Hydraenidae (Coleoptera, Polyphaga) of Brazil, Zootaxa 5165 (3), pp. 425-434 : 430 430
Hydraena (Hydraenopsis) terralta     Benetti, Cesar J. & Hamada, Neusa, 2022, Annotated checklist of Hydraenidae (Coleoptera, Polyphaga) of Brazil, Zootaxa 5165 (3), pp. 425-434 : 430 430

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Specimens